IRCv3 capabilities
Clients negotiate capabilities with CAP LS / CAP REQ. echoIRCd advertises the following.
draft/multiline, sasl, and draft/account-registration carry =-value parameters (limits, the
SASL mechanism list, enabled sub-features) to CAP-302 clients.
Ratified#
| Capability | Meaning |
|---|---|
sasl | SASL authentication (mechanism list attached for CAP 302) |
server-time | A time= tag with each message's server timestamp |
message-tags | Generic message-tag support, including relaying client + tags |
multi-prefix | Show all of a member's status prefixes in NAMES/WHO |
away-notify | Real-time AWAY / back notifications |
account-notify | Notify when a user logs in/out of an account |
extended-join | JOIN carries the account name and realname |
chghost | Real-time host/ident change notifications |
userhost-in-names | Full nick!user@host in NAMES |
echo-message | Echo the sender's own PRIVMSG/NOTICE back |
invite-notify | Notify channel ops when a user is invited |
setname | Real-time realname change notifications |
extended-monitor | MONITOR reflects extended state changes |
account-tag | An account= tag identifying the sender's account |
standard-replies | Structured FAIL / WARN / NOTE replies |
labeled-response | Correlate a command with its response via label |
batch | Group related messages into a BATCH |
cap-notify | Tell the client when caps are added/removed |
Draft & vendor#
| Capability | Meaning |
|---|---|
draft/chathistory | Request replay of past channel/DM messages |
draft/event-playback | Include channel events (JOIN/PART/QUIT/NICK/MODE/TOPIC/KICK) in history |
draft/message-redaction | REDACT a previously-sent message |
draft/pre-away | Set AWAY during registration |
draft/metadata-2 | Per-user/channel arbitrary metadata |
draft/multiline | Send one logical message across multiple lines |
draft/account-registration | In-band account REGISTER / VERIFY |
draft/json-log | Structured JSON tag on server notices (opers) |
draft/extended-isupport | Re-request ISUPPORT (005) tokens on demand |
draft/relaymsg | Send channel messages under a spoofed relay nick (bridges) |
draft/channel-rename | Rename a channel in place (RENAME) |
draft/read-marker | Per-conversation read-marker sync across devices |
draft/webpush | Web Push subscription for backgrounded/away notifications |
draft/filehost | Advertise an external file-host + signed upload links |
no-implicit-names | Suppress the automatic NAMES burst on JOIN |
For SASL mechanisms, see Accounts & SASL.